Suppose an object has 40 N of tension force pulling it upward and 60 N of gravitational force pulling it downward. There are no forces acting on the object. The object then has a net upward force of 20 N. True or False

Suppose a large truck on a hydraulic lift exerts 7,000 N of force on a piston with an area of 0.4 m2. The piston can only support 16,000 Pa of pressure. How much pressure is exerted by the truck on the piston?

Identify the incorrect statement about a single motor unit. - Fine motor skills depend on the development of small motor units. - The smaller the number of muscle fibers, the more precise the movement.

What is a sedimentary rock consisting of material that was precipitated from water

Which two statements are true about energy transformations

Work and how does it measure energy?

Is Li greater than He on the periodic table?

White light falls on a yellow filter, if: (a) A green filter is placed behind a yellow filter, what is the colour of the light that will emerge from the green filter?

Calculate the energy equivalent in joules of the mass of a proton. [Show all work, including the equation and substitution with units.]

If the weight is 950 newtons, what is the mass?

You are standing against the wall near a corner of a large building. A friend is standing against the wall that is around the corner from you. You can't see your friend. How is it that you can hear her when she talks to you?